Installing OBC unit in ML350

Swanny

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Hello everybody,

First timer here!!! I just purchased a ML350 (W163) 2003 fsh FROM DEALER 20k miles and immaculate condition. This car is loaded with literally ALL the options, bar one, the onboad computer (in the o/h , rearview mirror console).
I purchased a new unit on e-bay last evening. Upon inspection the wiring is there in the unit(in the car). Question is , is this just a plug-in or will I have to visit the dealer to activate the feature in the "control computer".
Sorry if I am wasting your time with an obvious or stupid question.
Thank you in advance,

Swanny
 

television

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Welcome to the forum, what does this new part offer
 
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Swanny

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Thank you for the welcome! It gives instantanious and average fuel consumption as well as being an electronic compass. this is according to the handbook!!
rgds

Swanny
 

television

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I will take a look to see if there are any retro fit papers for this later this evening,,I know what you mean now :D
 
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Swanny

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Malcolm,
I have photos of the unit is it will help but meantime the part nr is Mercedes Benz A163 54081 11. Hope this might help
regds
Swanny
 

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Is there another name for this unit, as I am having no luck
 
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Swanny

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television

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OK I have found it from that picture. :D

There is no retro fit instructions but I do have the fitting instruction and we will have to take it from there
 
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Swanny

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Thanks for looking Malcolm, as soon as it arrives, I shall endevour to install it and report back.
Cheers
Swanny
 

television

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If you would like the fitting instructions, I just need an Email address
 
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Swanny

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Yes please Malcolm, hope it's ok to quote it here???.... so here it is:
Thank you in advance
Swanny
 
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television

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You can go back to your post and edit out the address as both papers have been sent.

Only when you get it will you know if the loom needs to be changed
 
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Swanny

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Done!!

Just to close the tread. Got the unit yesterday. Stripped the old one out but had to dismantle both , unsolder the ultrasound glass breakage sensor and solder into new unit and the trip computer unit came without it. After assembly plugged it in and voala!!:):) All working , no hassles. Thank you television for the data how to get the roof console off!! It was , shall we say , a pig:shock:. Thanks again, would have been nigh impossible witout knowing about all the clips!!

Etienne
 

television

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Thank you that nice post Swanny :D:D
 

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